WO2017174194A1 - Procédé pour faire fonctionner une fraiseuse routière, fraiseuse routière comportant une partie mobile et partie mobile pour une fraiseuse routière - Google Patents

Procédé pour faire fonctionner une fraiseuse routière, fraiseuse routière comportant une partie mobile et partie mobile pour une fraiseuse routière Download PDF

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Publication number
WO2017174194A1
WO2017174194A1 PCT/EP2017/000433 EP2017000433W WO2017174194A1 WO 2017174194 A1 WO2017174194 A1 WO 2017174194A1 EP 2017000433 W EP2017000433 W EP 2017000433W WO 2017174194 A1 WO2017174194 A1 WO 2017174194A1
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WO
WIPO (PCT)
Prior art keywords
milling machine
ground milling
handset
mobile part
machine
Prior art date
Application number
PCT/EP2017/000433
Other languages
German (de)
English (en)
Inventor
Frank Brachtendorf
Florian Lange
Tobias Specht
Original Assignee
Bomag Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bomag Gmbh filed Critical Bomag Gmbh
Priority to DE112017001910.9T priority Critical patent/DE112017001910A5/de
Priority to US16/091,647 priority patent/US20190234030A1/en
Publication of WO2017174194A1 publication Critical patent/WO2017174194A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving

Definitions

  • the invention relates to a method for operating a Bodenfräsmaschine, a Bodenfräsmaschine with a handset and a handset for a Bodenfräsmaschine.
  • ground milling machines are often used.
  • Such a ground milling machine is described for example in DE102010035129 A1. It serve so-called cold milling for milling road surfaces and floor coverings, (soil) stabilizers for stabilization of non-load-bearing floors and recycler for repair roads in need of repair.
  • these ground milling machines have injection devices in order, for example, to reduce the dust formation during the working process and / or to add a fluid, in particular water, bitumen or foamed bitumen, to the soil material to be processed in order to obtain desired soil properties.
  • Essential working device such Bodenfräsmaschinen is in particular a milling drum or a mixing rotor, which is a horizontally and transversely to the working direction rotating roller-like working device on the outer surface of a variety of tillage tools, such as chisels, mixing equipment, etc., is arranged.
  • Soil stabilizers are used in particular for mixing in binders in the ground.
  • a typical binder is, for example, lime.
  • recyclers serve to recycle the soil underground.
  • Such machines often have the possibility of discharging bitumen or foamed bitumen and mixing them into the ground. Both types of machines can sometimes deliver further dosed water and mix in the ground.
  • a dosing system via the appropriate fluids from the respective soil milling machine for training in the ground can be submitted, is also described in DE102010035129 A1.
  • the control of such a ground milling machine usually takes place from a control station. From this, the driver of the ground milling machine, for example, specify driving parameters. Driving parameters are those parameters related to the movement of the ground milling machine. These are in particular the direction of travel (forward, backward, right, left) and the driving speed. Furthermore, the driver can usually influence process parameters. In the present case, process parameters primarily referred to operating parameters of the milling drum, in particular with regard to their milling depth, their bank angle (i.e., the course of the rotational axis inclined relative to the ground surface) and the milling drum rotational speed.
  • the operation of the ground milling machine is also significantly influenced by the dosage of the fluids added to the soil, in particular water and / or bitumen and / or foamed bitumen.
  • the dosage is by the specification of Dosierparametern, such as in particular the specification of the amount of fluid to be discharged, for example, in relation to a volume of the ground material, the route, etc., and / or the control of discharge valves, such as in DE102010035129 A1 and DE 102010013982 A1, influenced.
  • metering parameters are thus used to denote those quantities by means of which the metering of the fluid added to the bottom substrate, in particular with regard to type and / or amount, is controlled.
  • Essential for the work result especially of the soil stabilization and / or recycling process is an optimal balance of the amount of fluid discharged to the particular soil conditions present. It is currently customary for the driver, in particular, to specify specific metering and / or process parameters at the beginning of a milling process and to keep these constant over the working process. It is possible that the driver of the ground milling machine interrupts the operation after a certain work interval and controls the work result. To do this, he usually has to get off the machine to check the worked floor. Then he can make adjustments to further improve the work result from the helm.
  • the object of the invention is to provide a way to improve the operation of a ground milling machine to the effect that a better work result is obtained.
  • the object is achieved with a method for operating a Bodenfräsmaschine, in particular a Bodenstabilisierers and / or a Recyclers, with a Bodenfräsmaschine, in particular a soil stabilizer and / or a recycler, with a handset and a handset for a Bodenfräsmaschine according to the independent claims.
  • Preferred developments are specified in the dependent claims.
  • the basic idea of the invention is, on the one hand to relieve the driver of the observation of the Bodenfräsreaes and on the other hand to give him the opportunity to react more individually to the specific working conditions, especially soil conditions.
  • Essential here is the inventive use of a handset. This can be used by a person located outside the ground milling machine (hereinafter referred to as process expert) to, after an inspection of the ground by the process expert, in particular in the working direction behind the ground milling machine machined ground area, with the located on the control station of the ground milling machine driver and to suggest the adaptation of dosing and / or process parameters (specification of default values).
  • the driver of the ground milling machine is on the one hand released from the monitoring of the work result and can continue the work without interruption and on the other hand, an improved work result can be obtained at the same time, as can be reacted to ground inhomogeneities faster.
  • the inventive method comprises the following steps: A) performing a milling operation of the ground surface by specifying driving, dosing and / or process parameters, in particular by the driver of the ground milling machine located in the control station.
  • the floor milling machine is thus in working mode and is controlled by appropriate operating instructions by the driver within the control station.
  • the process expert checks in parallel the work result and / or the area lying in front of the ground milling machine in the working direction. If, in his opinion, the adaptations of at least one metering and / or process parameter makes sense or is necessary, at least one suggested value for at least one metering and / or process parameter is input via a handset by the process expert.
  • this can be, for example, the reduction or increase in the fluid discharge, the change in the cutting depth and / or the Fräswalzenfitiere and / or the bank of the milling drum, the change in the position of a mixing flap, as described for example in WO2012 / 062456 A1, etc., relate.
  • a transmission of this at least one default value to the ground milling machine takes place in step C), in particular during the milling process.
  • the default value formulated by the process expert via the handset is transferred to the ground milling machine. This is preferably done via a wireless data connection.
  • the at least one default value is now displayed in step D) via a display device in the control station of the ground milling machine.
  • the driver of the ground milling machine Control station which can be, for example, an already existing display display or a standalone display device, which is provided exclusively for displaying the default values.
  • the driver of the ground milling machine thus remains master of the process and only once by the process expert on the handset In the last instance, the driver of the ground milling machine now decides whether the proposal of the process expert is to be implemented or not, in step E) it is appropriate provided that an acceptance of the at least one default value or a rejection of the at least one default value takes place.
  • the rejection is triggered, for example, actively by entering a corresponding rejection command by the driver. Additionally or alternatively, it is also possible that the default value is automatically rejected if the driver of the ground milling machine not timely accepted (timer function). In the event that the driver accepts the default value, it is finally provided in step F) that a transmission of a corresponding control command by an engine control unit for changing an actual value of the at least one metering and / or process parameter to the least one accepted default value of at least one dosing and / or process parameter takes place. This is done by controlling appropriate actuators by the machine control, such as valves, orifices, pumps, hydraulic cylinders, etc.
  • the invention also includes the possibility that the acceptance takes place by express input of the driver of the ground milling machine, for example by actuating a suitable input means, such as a switch, etc.
  • the default value of the process expert is then used by the machine control and by issuing a appropriate control command the respective actual value of the corresponding dosing and / or process parameter changed to the at least one accepted default value.
  • a suitable input means such as a switch, etc.
  • the default value of the process expert is then used by the machine control and by issuing a appropriate control command the respective actual value of the corresponding dosing and / or process parameter changed to the at least one accepted default value.
  • a sensor system via which the detection of the actual values of the respective dosing and / or process parameter takes place.
  • the method according to the invention achieves a considerable improvement in the work result of a generic ground milling machine, since, for example, changes in the properties of the ground base material can be optimized by adjusting the metering and / or process parameters during the working process.
  • There is no additional burden on the driver of the ground milling machine since the process expert independently of the driver of the ground milling machine checks the work result and develops adaptation proposals.
  • About the use of the handset succeeds in a timely and reliable transmission of the findings of the process expert to the driver of the ground milling machine, but in the last instance responsible for the operation of the ground milling machine, which allows safe operation of the ground milling machine.
  • Typical actuated elements may be, for example, valves, diaphragms, pumps, hydraulic units, electric and / or internal combustion engines (in particular for adaptation of rotational speeds), etc. It is particularly preferred if a triggering of a metering system of the ground milling machine for discharging at least one fluid takes place in step F).
  • the dosing system designates the device of the soil milling machine ne, over which the type and / or amount of the discharged fluid can be controlled.
  • the dosing usually includes a line system, valves and corresponding discharge openings.
  • Such discharge openings may for example be arranged within a Fräswalzenraums nozzles, spray bars or the like.
  • the dosing system can, for example, also comprise expansion chambers, into which compressed air, water and bitumen can be introduced in a controlled manner, as described, for example, in DE102010013982 A1. It is then preferred if the handset is designed such that the process expert, for example, to metering parameters such as pressure of the supplied compressed air in the expansion chamber, amount of water, amount of bitumen, percentages (especially percent foam bitumen, percent bitumen, percent water) based on the processed soil volume etc. You can enter and submit default values.
  • the way the information is transmitted from the handset to the ground milling machine can vary.
  • the mobile part is connected via a cable connection for data transmission with the ground milling machine, with wireless embodiments are preferred.
  • a radio link between the handset and the ground milling machine is made.
  • the following methods can be used: Bluetooth, WLAN, Zigbee, NFC, Wibree, WiMAX, IrDA and optical radio as well as proprietary radio procedures.
  • the ground milling machine has a suitable receiving and evaluating unit. It is thus particularly preferred if the ground milling machine has a base station which is designed to establish a wireless data connection to the mobile part.
  • the handset is a terminal and independent of the Bodenfräsmaschine transportable and can ideally be operated manually. It is possible that the ground milling machine comprises a special mobile part for carrying out the method according to the invention.
  • This is a handset, which is provided at least substantially exclusively for the purpose stated above and is offered, for example, together with the ground milling machine as a package. However, it is optimal if the process expert can fall back on an existing and / or widespread handset in order to be able to enter the default values and transmit them to the ground milling machine.
  • This can be, in particular, a smartphone or a WLAN-capable tablet computer on which appropriate software, for example as a so-called app, is installed.
  • the software on the handset is designed for the floor milling machine software.
  • the process expert can then install the software on, for example, his smartphone, so that the additional purchase of a separate handset is not required. It continues also possible that the required software (eg a web browser) already on the handset, especially a smartphone or a tablet computer, is available and can be used. In this case, it is envisaged that the floor milling machine holds corresponding documents (eg a website) for display on the handset. It is understood that the ground milling machine is then designed for receiving the signals emitted by such a handset, for example by setting up a local network and / or providing other services (eg a web server), etc., as already mentioned above ,
  • a sign on or coupling the handset to / with, for example, the machine control unit of the ground milling machine is required.
  • This identifies the handset on the ground milling machine, which, for example, an authorization check is possible.
  • an identification of the respective process expert takes place, which operates the handset.
  • a blocking function is included in the inventive method, which is designed such that the machine control in operation exclusively Suggested values of a single handset, in particular the one registered / coupled handset.
  • a blocking function is included in the inventive method, which is designed such that the machine control in operation exclusively Suggested values of a single handset, in particular the one registered / coupled handset.
  • this embodiment of the method according to the invention thus takes place an exclusive (wireless) pairing of a ground milling machine with a single handset for the particular operation. This ensures that the ground milling machine only considers default values of a single handset.
  • the mobile part may, for example, also be provided that, for security reasons, renewed confirmation (for example by renewed log-on / pairing or at least confirming that the connection between the mobile part and ground milling machine is still desired) of the mobile part is required within certain time intervals.
  • the locking function prevents the ground milling machine from taking into account the default values of another handset, for example another smartphone, and displaying it to the driver.
  • An essential basic idea of the invention is that the driver of the ground milling machine remains essentially master of the operation of the ground milling machine. It is therefore also preferred if driving parameters can be entered exclusively by the driver and for this purpose also no default values can be transmitted by the process expert, but only dosing and / or process parameters. For the implementation of the default values transmitted by the respective process expert via the mobile part, acceptance or rejection of the respectively at least one default value is therefore also provided in step E). For this purpose, it can be provided that the acceptance and / or the rejection in step E) takes place via an acknowledgment function, in particular a one-step acknowledgment function. With the acknowledgment function, the driver of the ground milling machine must therefore actively agree to the implementation of the at least one default value and / or reject it.
  • the acknowledgment function is preferably designed as a so-called one-step acknowledgment function.
  • the driver is preferably placed before the selection "yes" or "no", which he can answer with the operation of a single switch.
  • the at least one default value is accepted if the driver accepts the at least one default value within a defined time window, for example of one minute, for example by pressing a button or pressing a button. If this time interval elapses, the at least one default value is automatically rejected.
  • This process can also be reversed so that automatic conversion occurs automatically after a time window elapses and rejection only in response to a timely switch operation.
  • the inventive method may also include an additional option in which the driver of the Bodenfräsmaschine optionally switches to an automatic mode, if he is accompanied for example by a very experienced process experts.
  • automatic mode the default values of the process expert are always automatically and without any further testing of the driver.
  • the driver of the ground milling machine is then completely relieved of the input of metering and / or process parameters during the milling process. It can also be provided that the driver only releases individual metering and / or process parameters for the automatic mode and the other metering and / or process parameters can only be changed by transmitting default values.
  • a further advantageous embodiment of the method according to the invention provides that with respect to at least one predetermined in step A) dosing and / or process parameters, a free adjustment is provided, within which a direct implementation of the in steps B) and C) at least one default value entered and transmitted by the machine control at the handset and the steps D) to F) are only required for the implementation when the at least one default value is outside the free adjustment range.
  • This method alternative thus represents the compromise between the automatic mode and the basic requirement of acknowledgment by the driver of the ground milling machine.
  • the process expert can thus directly influence the metering and / or process parameters via the mobile part.
  • the free adjustment range is always an area around a start of the milling process or a currently set metering and / or process parameters.
  • the free adjustment range then varies depending on the beginning of the milling process or currently set dosing and / or process parameters. Alternatively, however, it is also possible to define the free adjustment range fixedly, for example such that the free adjustment range of the at least one metering and / or process parameter whose maximum adjustment range between 0% and 100% always lies within a certain range, for example 40 % to 60%.
  • a documentation of the driving and / or the dosing and / or the process parameters is created during the milling process, in particular in a machine-side memory device.
  • a documentation of the driving and / or the metering and / or the process parameters is stored on the handset during the milling process, in particular in the time sections relevant for further processing by the process expert or for billing purposes. It is ideal if the inputs of the process expert on the handset are also documented. In this way it is possible, even after the work process, to get a comprehensive insight into the work done and, in particular, to assign responsibilities to the driver and / or the process expert.
  • the method according to the invention can therefore also include an evaluation step in which the documentation data stored in the memory device are read out and evaluated.
  • an evaluation step in which the documentation data stored in the memory device are read out and evaluated.
  • the documentation is transmitted to the mobile part and / or from the floor milling machine via the Internet to a central office.
  • the method may include a protective field functions, such that then a warning signal is triggered when the handset is within a specified and monitored security area of the ground milling machine.
  • a protective field can be obtained, for example, via infrared, ultrasound and / or laser sensors and / or using RFI D technology.
  • other suitable technologies can be used here, such as WLAN or Bluetooth.
  • the triggering of a warning signal can also be done in different ways. For example, the warning signal in an indicator light and / or an acoustic signal exist. Additionally or alternatively, however, the triggering of machine functions, such as an emergency stop function by the machine control unit is possible.
  • the information exchange between the handset and the Bodenfräsmaschine can also be further increased in preferred embodiments of the invention.
  • image and / or video and / or audio material or data is exchanged between the ground milling machine and the mobile part in one and / or both directions.
  • This unidirectional or bidirectional data exchange can be used, for example, to display image data recorded by the process expert with the handset, for example from the milling bed, on a display screen arranged on the ground milling machine and thus to give the machine operator a detailed impression of the current work result.
  • image data recorded with a camera arranged on the ground milling machine is sent to the mobile part for display.
  • a further aspect of the invention resides in a ground milling machine, in particular a ground stabilizer and / or recycler, with a mobile part.
  • the ground milling machine and the handset together are particularly preferably designed for carrying out the method according to the invention.
  • Generic ground milling machines usually include a drive motor, in particular a diesel engine, driving devices, such as wheels and / or track drives, a machine frame, a work roll with a variety arranged on its outside work tools, such as milling bits, mixer bars, etc., a metering system, which is formed in that via it the discharge of a fluid, in particular into a milling drum space, can be metered, a control station with control devices via which driving, dosing and / or process parameters can be entered by a driver, a display device within the control station, for example a display screen and / or indicating instruments, via which driving, dosing and / or process parameters can be displayed, and a machine control unit which is designed such that it corresponds to the driving, dos
  • a handset in addition to the Bodenfräsmaschine that has at least one input device and a transmitter.
  • the handset is designed for combination with the tiller, which accordingly comprises a receiver over which the default values transmitted by the mobile part are receivable and evaluable, for example for display to the driver of the ground milling machine.
  • the input of at least one default value for at least one of the metering and / or process parameters can be entered via the handset and communicated to the recipient.
  • the received default values are transmitted from the receiver to the machine control unit for display via the display devices in the control station of the ground milling machine. Default values that are entered by the process expert outside the ground milling machine via the handset are thus displayed in the base station of the ground milling machine.
  • an opto-electronically readable code in particular a bar or Q code is provided on the Bodenfräsmaschine, in particular on one of the outer sides, which codes a registration code for the handset on the Bodenfräsmaschine, the handset a reading device for an opto-electronically readable code , in particular a digital camera, and a corresponding evaluation control unit.
  • the opto-electronically readable code for example, credentials can be deposited on the outside of the ground milling machine, via which the construction of a connection between the handset and ground milling machine is made possible.
  • a link for downloading a suitable software to the handset or a link to call a suitable website which is provided for example by the floor milling machine, etc. be stored with the opto-electronically readable code.
  • the machine control unit coordinates the interaction between the default values received by the mobile part, the input commands of the driver in the control station of the ground milling machine, and the setting of, in particular, the metering and / or process parameters, via the activation of, for example, suitable actuators, such as valves, throttles, Pumps etc.
  • the machine control is preferably designed such that it implements the at least one default value transmitted by the handset when an acknowledgment has been made by the driver within the control station or a certain time window has elapsed or vice versa. In the former case, the default values are accepted by the handset only when the driver of the ground milling machine expressly agrees.
  • This input principle can be reversed in that any default value is automatically accepted if the driver of the ground milling machine does not reject the default value within a predetermined time window. It is essential that there is no immediate immediate implementation of the default values. The decision-making authority remains the driver of the ground milling machine.
  • the acknowledgment for accepting and / or rejecting the default value can take place in different ways.
  • a separate acknowledgment switch is preferably arranged in the control station, via the actuation of which the input of an acknowledgment takes place, in particular in relation to the currently displayed default value.
  • Such an acknowledgment switch may be, for example, a pushbutton or in particular also a suitable display field within a touch-sensitive display screen.
  • the machine control unit is preferably designed such that it is within a free adjustment range for at least one metering and / or process parameters a direct adjustment of the at least one metering and / or process parameters permits.
  • the process expert is therefore permitted to influence, or to directly modify, at least one dosing and / or process parameter via the handset to a limited extent. This contributes to further relief of the driver of the ground milling machine during the work process.
  • the extent of the free adjustment range can be predefined from the factory, for example, or individually determined.
  • a separate display device is preferably present in the control station of the ground milling machine via which an indication of the at least one default value, in particular exclusively, takes place.
  • the default values transmitted by the process expert via the mobile part into existing displays, in particular display screens, or to display them via them.
  • this requires increased attention of the driver of the ground milling machine. It may therefore also be advantageous if a separate separate display device is present for communication with the process expert, which only displays corresponding default values. The driver of the ground milling machine can then immediately recognize that the displayed information is a default value of the process expert, which he has to acknowledge for rejecting and / or accepting, for example.
  • Part of the machine control unit is also preferably a documentation memory for driving, dosing and / or process parameters in order to understand the working process of the ground milling machine even after the operation, for example, for billing purposes.
  • a deposit of the default values transmitted by the process expert via the mobile part and the corresponding reactions of the driver of the ground milling machine take place.
  • the term machine control unit is to be understood in a superordinate sense and therefore also includes in particular embodiments in which the machine control takes place via a plurality of submachine control units which can exchange data via suitable communication interfaces (for example a CAN bus).
  • the mobile part comprises a display device, an input device and a transmitter.
  • the process expert can enter default values from outside the ground milling machine, which then transmits via the transmitter of the mobile part to the receiver of the ground milling machine become.
  • the mobile part has its own control unit which controls the input device, the display device and the operation of the transmitter. It is ideal if the mobile part has a touch-sensitive screen and, in particular, is a smartphone or a tablet PC.
  • the combination between the handset and the Bodenfräsmaschine can be done in different ways and ways, in principle, the possibilities of a wireless connection are preferred. It is also ideal if the handset is designed to produce a wireless Internet connection, for example, to enable a central authorization release, for example via a construction site headquarters. This can be particularly advantageous when several ground milling machines are in parallel on a construction site in operation.
  • Fig. 1 is a side view of a ground milling machine and a handset
  • FIG. 2 is an operating diagram of the embodiment shown in FIG. 1; FIG.
  • FIGS. 4A and 4B show curves of a metering parameter when the invention is used
  • Figure 1 illustrates a side view of the basic structure of a ground milling machine 1, in the present embodiment concretely a Bodenstabilisierers.
  • Essential elements of the ground milling machine 1 are a machine frame 2, comprising a front frame 2A and a rear frame 2B, which are connected via an articulated joint 3, a drive motor 4, a control station 5, 6 driving devices, a milling drum 7, a milling drums hau be 8 and a Dosing 9.
  • the dosing 9 comprises a fluid tank 10, fluid connection lines 1 1, a pump 12 and an outlet 13, via which the fluid is introduced into the interior of the hood 8 surrounded.
  • the fluid can be, for example, water, bitumen or foamed bitumen, the latter having additional lines for the other components for producing foamed bitumen in a manner known per se (bitumen, water and compressed air).
  • input devices 15 are present, for example, levers, switches, touch screens on the movements of the ground milling machine 1 (driving parameters), the dosing 9 (dosing) and the positioning and operation of the milling drum 7 (process parameters) via a corresponding machine control 14th can be adjusted.
  • the machine control 14 is for example connected directly to the pump 12 and the discharge device 13 of the metering system 9 via connecting lines 16 and 17 or connected to a control unit 32 of the metering system 9 (FIG.
  • the machine control is also connected to corresponding control units and / or actuators.
  • a sensor system may be present, via which actual values of the driving and / or dosing and / or process parameters are detected and transmitted to the machine control 14 and displayed by the latter in the control station 5.
  • the ground milling machine 1 comprises a display device 18 in the control station 5, which is connected via a connecting line 19 to the machine control 14.
  • a receiver 20 is present, which is also connected to the machine control 14.
  • the machine controller 14 may consist of several subunits which exchange data via a suitable communication interface, eg a CAN bus. When the machine control 14 is discussed below, this applies equally to this variant.
  • a handset (21) comprising a housing 22, a control unit 23, a transmitter 24 and a touch-sensitive display screen 25 via which a process expert located next to the ground milling machine 1 can make manual inputs.
  • a process expert located next to the ground milling machine 1 can make manual inputs.
  • he may, for example, metering parameters via the button 26, such as the type of discharged fluid, the amount of discharged fluid (for example, per time and / or per distance and / or per unit milling volume), etc., and / or process parameters via the button 27th , For example, the Fräswalzenwidiere, the milling depth, etc. change.
  • the handset further includes a digital camera 51.
  • an attached to the ground milling machine 1 opto-electronic code QR code 50
  • QR code 50 are read, are encoded via the credentials for registration of the handset on the ground milling machine 1 or, for example, a web address.
  • this can be used to record image and / or video material for transmission to the Bodenfräsmaschine and / or the center.
  • Figure 2 illustrates the schematic structure of the arrangement of FIG. 1 on. The outlines of the ground milling machine 1 are designated here by B.
  • FIG. 2 illustrates the central arrangement of the input devices 15 and the display devices 18 in the control station 5. Further, a Quit- animal switch 30, for example, a pressure switch, is present, whose operation will be explained in more detail below.
  • the acknowledgment switch 30 is connected to the machine control 14 via a connection line 31.
  • FIG. 2 also illustrates further details of the structure and mode of operation of the dosing system 9.
  • the dosing system 9 has its own central control unit 32, which is connected via corresponding signal lines to the pump 12, a pressure sensor 33, a shut-off valve 34 and valves 35 is.
  • the fluid is thus pumped by the pump 12 in one or both of the spray bar 36, which extend lengthwise parallel to the axis of rotation of the milling drum 7 within the covered by the hood Fräswalzenraums.
  • the spray bars 36 are formed as means for producing foamed bitumen, in which case a bitumen and compressed air supply and corresponding expansion chambers for foamed bitumen formation are provided in addition to the illustrated piping system.
  • Figure 2 also illustrates that the handset (21) outside the ground milling machine 1 is operated manually by the process expert and can communicate via the transmitter 24 in communication with the milling machine 1 (concretely via the receiver 20).
  • the communication connection can also be bidirectional.
  • dosing and / or process parameters detected by the ground milling machine 1 are transmitted in parallel to the mobile part (21) via a sensor system (for example pressure sensor 33), not shown, so that the Process expert on the current dosing and / or process parameters is in the picture.
  • a sensor system for example pressure sensor 33
  • the ground milling machine 1 further includes protective field devices 37, for example in the form of ultrasonic or infrared sensors. With the help of the Schurzfeld foundeden 37 a distance range to the ground milling machine 1 is monitored out. This protective field region is designated S in FIG. This ensures that the handset (21) (and thus the process expert) maintain a safe distance to the ground milling machine 1. If the mobile part (21) moves into the security area, an alarm (visual and / or acoustic) is triggered in the control station 5 and / or the ground milling machine 1 is automatically stopped or even switched off. He- Additionally or alternatively, other technologies suitable in this context can be used here, for example WLAN or Bluetooth. For example, these two specific variants have the advantage that they allow a corresponding distance monitoring without separate sensors.
  • protective field devices 37 for example in the form of ultrasonic or infrared sensors.
  • the interaction between the handset (21) and ground milling machine 1 will be explained below with reference to FIG 3, which further illustrates the flow of a method according to the invention. It is essential that the handset (21) is operated by another person (process expert) in addition to the driver of the ground milling machine 1 located in the control station 5. This process expert can be in the vicinity of the ground milling machine 1 during the operation of the ground milling machine 1 and, for example, check the quality of the work result in the working direction A behind the ground milling machine 1. Via the mobile part (21), he can propose to the driver of the ground milling machine 1 at least one default value of a metering and / or process parameter if the current work result of the ground milling machine 1 is unsatisfactory.
  • the milling process of the ground substrate is initially started by presetting driving, metering and / or process parameters by the driver of the ground milling machine 1 in step 38. While the milling process continues, the process expert can review the work result. In order to further optimize the work result, he can enter in step 39 via the handset (21) at least one default value (absolute or relative) for at least one metering and / or process parameters, for example, suggest an increase in the discharge amount of discharged through the metering 9 fluid , If the input has been made, the at least one default value can be transmitted to the ground milling machine (transceiver) in step 40.
  • step 41 the at least one default value is displayed via the display device 18 to the driver of the ground milling machine in the control station.
  • the driver now has the opportunity to take note of the proposed value or the change proposed by the process expert.
  • the driver now has to decide in step 42 whether he rejects the at least one default value (43) or accepts (44). If he accepts the default value, for example by the operation of a suitable input means, such as a switch, in step 45 the transmission of a corresponding control command by the machine control unit to the dosing system for changing an actual value of the at least one dosing and / or process parameter to the at least one accepted default value of the at least one metering and / or process parameter.
  • the ground milling machine 1 is therefore preferably also equipped with a suitable sensor system, via which the actual value of the jewei- At least one dosing and / or process parameter is monitored and transmitted to the machine control unit.
  • a suitable sensor system via which the actual value of the jewei- At least one dosing and / or process parameter is monitored and transmitted to the machine control unit.
  • the control of the metering of the ground milling machine has proven to be particularly advantageous.
  • a change, for example, of the quantity of fluid discharged via the metering system, for example water thus takes place in particular.
  • the final decision as to whether or not the default value of the process expert is actually implemented in the current work process is up to the driver of the ground milling machine.
  • the driver of the Bodenfräsmaschine triggers the decision to implement the default value in the manner described above by an acknowledgment function according to step 46.
  • the acknowledgment function according to step 46 may be configured such that upon actuation of an acknowledgment means, for example a switch, the driver of the ground milling machine gives his consent to the implementation of the default value. If the acknowledgment does not occur within a predefined time window, the default value is automatically rejected. Such a time window can be on the order of 1 minute, for example.
  • the driver rejects the default value by means of the active acknowledgment or that the type is carried out such that the driver must actively either accept or reject the default value. In any case, it is preferable if the driver only has to perform a single switch operation for this purpose (one-step-acknowledgment function).
  • An advantageous development of the method according to the invention may be, in particular, that the current driving and / or dosing and / or process parameters are displayed on the handset 21 according to step 52 (or only detected on the Bodenfräsmaschine, then to the handset sent and finally displayed there).
  • the process expert gets a deeper insight into the current milling process and can more easily specify absolute default values for his default values for dosing and / or process parameters.
  • the display may be made via the display screen 25 of the handset 21.
  • the method according to the invention also makes it possible for the inputs of the process expert to be converted via the mobile part within a defined adjustment range directly from step 40 to the floor milling machine.
  • the machine control checks in step 47 whether the suggested value lies within this adjustment range for the respective metering and / or process parameter. If this is the case, a change of the respective actual value to the default value is immediately triggered by the machine control system, so that in this case no active intervention by the driver of the ground milling machine is required for implementation. is derlich. The handset is thus a kind of remote control for this adjustment range.
  • the default value is outside the adjustment range, the scheme already described above is passed through with the requirement of a decision by the driver of the ground milling machine.
  • a corresponding memory device may be provided on the ground milling machine, in which the respective data are stored. It can also be provided that the stored data, for example via an Internet connection, to a central office, for example, to the site management, transmitted.
  • step 50 that is, the process preceded by, first, a login / pairing of the handset on the Bodenfräsmaschine is required , This identifies the handset to the ground milling machine. At the same time, it can be ensured by means of a blocking function that only default values of the currently registered handset are transmitted to the floor milling machine or taken into account by it for the present work process. This creates a clear assignment.
  • FIGS 4A and 4B illustrate the method based on the course of an example parameter, in this case the discharge volume M of the metering 9 water per unit time.
  • a regular soil cultivation process is started, in which a certain amount of M1 water per unit time is dispensed via the dosing into the interior surrounding the milling drum formed by the hood.
  • the process expert has entered a default value M2 into the mobile part and transmitted it to the ground milling machine. This will now be displayed to the driver of the ground milling machine.
  • the driver of the ground milling machine decides to accept the default value.
  • the actual value 49 is then adjusted accordingly until it corresponds to the suggested value adopted by the driver at time t3.
  • Figure 4B illustrates contrast, the situation when the default value is within a free adjustment range VB.
  • the process expert again specifies a default value M2, which is transmitted to the ground milling machine.
  • the machine control notes that the Suggested value M2 is within the adjustment range VB, so that without any action by the driver of the ground milling machine immediately an adjustment of the actual value 49 takes place, which is reached at time t2.
  • the process expert again transmits a default value in the height M3. This is outside the adjustment range VB, so that the machine control triggers no immediate implementation of the default value. Rather, an indication is given to the driver of the ground milling machine, which agrees in the present case at time t4 the default value, so that only then an adjustment of the actual value takes place, which is achieved in this case at time t5.

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  • Component Parts Of Construction Machinery (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner une fraiseuse routière (1), notamment une stabilisatrice de sol et/ou un recycleur, une fraiseuse routière (1), notamment une stabilisatrice de sol et/ou un recycleur, comportant une partie mobile (21), notamment pour la mise en oeuvre du procédé, et une partie mobile (21) pour une fraiseuse routière. L'invention est caractérisée en ce que des propositions de valeurs pour des paramètres de dosage et de processus sont transmises à la fraiseuse routière au moyen de la partie mobile au cours du processus de travail en cours.
PCT/EP2017/000433 2016-04-06 2017-04-06 Procédé pour faire fonctionner une fraiseuse routière, fraiseuse routière comportant une partie mobile et partie mobile pour une fraiseuse routière WO2017174194A1 (fr)

Priority Applications (2)

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DE112017001910.9T DE112017001910A5 (de) 2016-04-06 2017-04-06 Verfahren zum Betrieb einer Bodenfräsmaschine, Bodenfräsmaschine mit einem Mobilteil und Mobilteil für eine Bodenfräsmaschine
US16/091,647 US20190234030A1 (en) 2016-04-06 2017-04-06 Method for operating a ground milling machine, ground milling machine with a mobile component and mobile component for a ground milling machine

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DE102016004197.8A DE102016004197A1 (de) 2016-04-06 2016-04-06 Verfahren zum Betrieb einer Bodenfräsmaschine, Bodenfräsmaschine mit einem Mobilteil und Mobilteil für eine Bodenfräsmaschine

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DE102018005534A1 (de) * 2018-07-09 2020-01-09 Dynapac Gmbh Straßenbaumaschine und Verfahren zum Betreiben einer Straßenbaumaschine
CN115247396B (zh) * 2022-07-14 2023-10-10 中交二公局第四工程有限公司 高寒地区石灰土路基填筑施工设备
CN116386304A (zh) * 2023-02-15 2023-07-04 陕西中环机械有限责任公司 一种矿下铣刨机用无线遥控装置及实现方法

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US20190234030A1 (en) 2019-08-01
DE102016004197A1 (de) 2017-10-12

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